Wang Yaping makes water film and water ball in space

10:57, June 20, 2013

BEIJING, June 20 (Xinhua) -- Wang Yaping makes a water film with a water bag and a metal ring. She explains to students that the surface tension of water magnifies in space due to zero gravity. Then she makes the second water film and pours water onto it. The water film turns into a water ball.

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